Graph and Constant of Proportion

Determine if this graph represents a proportional relationship. Is there a constant ratio? If so, state the constant of proportionality.

• 3

• 1/3

• 9/3

• Not a proportion

Tags

CCSS.7.RP.A.2D

Is this the graph of a proportion? Explain how you know based on the features of the graph.

• Straight line through the origin - it is a proportion

• Not a proportion

Tags

CCSS.7.RP.A.2D

Determine if this graph represents a proportional relationship. Is there a constant ratio? If so, state the constant of proportionality.

• 4

• 3

• 1/4

• Not a proportion

Tags

CCSS.7.RP.A.2D

Determine the constant of proportionality from the table.

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Tags

CCSS.7.RP.A.2B

The graph represents the number of plants produced to the number of seed packets used.

What is the constant of proportionality?

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.2B

The graph represents the total number of cups of coffee and the total number of pounds of sugar used by starbucks.

What is the constant of proportionality?

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.2B

Determine the constant of proportionality for the graph. Hint: Use K = y / x

​ (a)  

• 40

• 2

Tags

CCSS.7.RP.A.2B

Write a y=kx equation that models the graph of a proportion passing through the point (10, 5).

• y=2x

• y=10x

• y=5x

• y=0.5x

Tags

CCSS.8.EE.B.5

Describe the two key features of the graph of a proportional relationship.

• Straight line

• Curved line

• Through the origin

• Not through the origin

Tags

CCSS.7.RP.A.2D